KR20220088844A - 서브-프레임들을 사용한 적응적 해상도 관리 - Google Patents

서브-프레임들을 사용한 적응적 해상도 관리 Download PDF

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KR20220088844A
KR20220088844A KR1020227007463A KR20227007463A KR20220088844A KR 20220088844 A KR20220088844 A KR 20220088844A KR 1020227007463 A KR1020227007463 A KR 1020227007463A KR 20227007463 A KR20227007463 A KR 20227007463A KR 20220088844 A KR20220088844 A KR 20220088844A
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South Korea
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frame
scaling
sub
scaling constant
signaled
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KR1020227007463A
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English (en)
Korean (ko)
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하리 칼바
벨리보르 아지치
보리보예 푸르트
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오피 솔루션즈, 엘엘씨
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Priority claimed from PCT/US2020/045218 external-priority patent/WO2021026361A1/en
Publication of KR20220088844A publication Critical patent/KR20220088844A/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
KR1020227007463A 2019-08-06 2020-08-06 서브-프레임들을 사용한 적응적 해상도 관리 KR20220088844A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962883480P 2019-08-06 2019-08-06
US62/883,480 2019-08-06
PCT/US2020/045218 WO2021026361A1 (en) 2019-08-06 2020-08-06 Adaptive resolution management using sub-frames

Publications (1)

Publication Number Publication Date
KR20220088844A true KR20220088844A (ko) 2022-06-28

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KR1020227007463A KR20220088844A (ko) 2019-08-06 2020-08-06 서브-프레임들을 사용한 적응적 해상도 관리

Country Status (7)

Country Link
US (2) US20210044819A1 (zh)
EP (1) EP4011085A4 (zh)
JP (1) JP2022544159A (zh)
KR (1) KR20220088844A (zh)
CN (1) CN114503583A (zh)
BR (1) BR112022002186A2 (zh)
MX (1) MX2022001594A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3150364A1 (en) * 2019-09-10 2021-03-18 Bae Keun Lee Image signal encoding/decoding method and device therefor
US11336894B2 (en) * 2019-09-20 2022-05-17 Tencent America LLC Signaling of reference picture resampling with resampling picture size indication in video bitstream
US20230254500A1 (en) * 2022-02-07 2023-08-10 Nvidia Corporation Smart packet pacing for video frame streaming

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI262725B (en) * 2005-06-30 2006-09-21 Cheertek Inc Video decoding apparatus and digital audio and video display system capable of controlling presentation of subtitles and method thereof
US9036714B2 (en) * 2009-01-26 2015-05-19 Thomson Licensing Frame packing for video coding
US20110002391A1 (en) * 2009-06-11 2011-01-06 Motorola, Inc. Digital image compression by resolution-adaptive macroblock coding
US9215297B2 (en) * 2013-10-30 2015-12-15 Broadcom Corporation Efficient signal compression format schemes
US20160267884A1 (en) * 2015-03-12 2016-09-15 Oculus Vr, Llc Non-uniform rescaling of input data for displaying on display device
WO2017156669A1 (en) * 2016-03-14 2017-09-21 Mediatek Singapore Pte. Ltd. Methods for motion vector storage in video coding
EP3474549A1 (en) * 2017-10-20 2019-04-24 Thomson Licensing Omnidirectional video slice segmentation
US10972744B2 (en) * 2018-11-12 2021-04-06 Analog Devices International Unlimited Company Image scaling
US11290734B2 (en) * 2019-01-02 2022-03-29 Tencent America LLC Adaptive picture resolution rescaling for inter-prediction and display
EP3906675A4 (en) * 2019-01-02 2022-11-30 Nokia Technologies Oy DEVICE, METHOD AND COMPUTER PROGRAM FOR VIDEO ENCODING AND DECODING
US11533474B2 (en) * 2019-03-11 2022-12-20 Dolby Laboratories Licensing Corporation Video coding using reference picture resampling supporting region of interest
JP7273193B2 (ja) * 2019-05-12 2023-05-12 北京字節跳動網絡技術有限公司 参照ピクチャ再サンプリングのための信号通知

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US20210044819A1 (en) 2021-02-11
CN114503583A (zh) 2022-05-13
JP2022544159A (ja) 2022-10-17
MX2022001594A (es) 2022-03-11
BR112022002186A2 (pt) 2022-05-03
US20240114161A1 (en) 2024-04-04
EP4011085A4 (en) 2023-07-26
EP4011085A1 (en) 2022-06-15

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